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Eastman Eastapak 9921W PET
(discontinued **)
Categories:
Polymer
;
Thermoplastic
;
Polyester, TP
;
Polyethylene Terephthalate (PET)
;
Polyethylene Terephthalate (PET), Unreinforced
Material Notes:
Unreinforced.
ISO data as provided by the manufacturer, Eastman Chemical.
This product is discontinued; 2003.
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Physical Properties
Original Value
Comments
Density
1.33
g/cc
Mechanical Properties
Original Value
Comments
Tensile Strength, Yield
56.0
MPa
50 mm/min
Elongation at Break
>= 50 %
Elongation at Yield
3.8 %
Tensile Modulus
2.61
GPa
1mm/min
Charpy Impact Unnotched
NB
NB
@Temperature -30.0 °C
Charpy Impact, Notched
0.380
J/cm²
0.310
J/cm²
@Temperature -30.0 °C
Thermal Properties
Original Value
Comments
CTE, linear, Parallel to Flow
92.0
µm/m-°C
@Temperature 20.0 °C
CTE, linear, Transverse to Flow
59.0
µm/m-°C
@Temperature 20.0 °C
Melting Point
248
°C
Deflection Temperature at 0.46 MPa (66 psi)
69.0
°C
Deflection Temperature at 1.8 MPa (264 psi)
64.0
°C
Vicat Softening Point
76.0
°C
Glass Transition Temp, Tg
78.0
°C
Processing Properties
Original Value
Comments
Melt Temperature
270
-
290
°C
**
Materials flagged as discontinued (
) are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.
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